VAP (Variable area playback unit) by Seismograph Service Ltd.
- Made:
- 1957-1970
VAP (Variable area playback unit) by Seismograph Service Ltd., serial no.29, 1957-70. 66x66x66 cm overall. With alternative cams unit
Details
- Category:
- Geophysics
- Object Number:
- 1985-1409
- type:
- playback unit
- credit:
- Seismograph Service (England) Ltd.
